The DN-300R records to both SD and USB media simultaneously – perfect for recording conferences where the client needs a copy of the recording after the event. With outstanding ease-of-use and simple operation, anyone can use the DN-300R right out of the box and record to SD, USB or both. The DN-300R is exactly what the market is looking for in terms of a simple but high-quality recording solution for commercial applications. The DN-300R gives installers and contractors the flexibility and convenience they need for total commercial recording capability.

Records WAV and Mp3 files to SD and USB media simultaneously
Simple and easy to use
Powers-up in record-ready mode
Ability to record one media at -10dB for a safety track
Balanced and unbalanced inputs and outputs
Compact 1RU design

Digital Audio System
System: Solid-state SD/USB audio recorder/player
Compatible Media (FAT16, FAT32)
USB Device (mass storage class)
SD/SDHC
SDXC


Supported File Formats
MP3
Sampling frequency: 44.1 kHz
Bit rate: 192, 256 kbps (recording); 64 - 320 kbps and VBR (playback)
Format: MPEG1 Audio Layer 3
File extension: .mp3

WAV
Sampling frequency: 44.1, 48 kHz
Bit depth: 16-bit (44.1 kHz), 24-bit (48 kHz)
Format: Waveform Audio File Format
File extension: .wav


Number of Channels: 2 channels / stereo
Audio Frequency Range: 10 - 20 kHz (± 1.0dB recording, ± 0.8 dB playback)
Signal-to-Noise Ratio
Recording: > 95 dB (1 kHz, 0dB A-weighted)
Playback: > 95 dB (1 kHz, 0dB A-weighted)

Channel Separation
Recording: > 80 dB (1 kHz, 0dB A-weighted)
Playback: > 90 dB (1 kHz, 0dB A-weighted)

Wow and Flutter: < 0.001 %
Distortion
Recording: < 0.008 %
Playback: < 0.006 %

Total Harmonic Distortion: < 0.01% (1 kHz, 0dB A-weighted)

Inputs
Balanced XLR
Nominal level: +4 dBu ± 1 dBu
Minimum level: - 40 dBu
Maximumm level: 20 dBu ± 1 dBu
Input impedance: 18 kΩ

Unbalanced RCA
Nominal Level: -10 dBV (at full scale: -16 dBu)
Minimum input Level: -19 dBV or higher
Input impedance: 22 kΩ ± 10%


Outputs
Balanced XLR
Nominal level: +4dBu ± 1 dBu
Maximum output level: +20 dBu ± 1 dBu
Output impedance: 600 Ω ± 10%

Unbalanced RCA
Nominal level: -10 dBV ± 2 dBV
Minimum output level: 6 dBV ± 2 dBV
Output impedance: 600 Ω ± 10%


Connectors
(2) XLR outputs
(1) 1/4" (6.35mm) headphone output
(1) RCA stereo output pair
(2) XLR inputs
(1) RCA stereo input pair
(1) USB port
(1) SD card slot
(1) IEC AC power input

Power
Connection: IEC
Input Voltage: 100 - 240 V~, 50/60 Hz

Dimensions (width x depth x height): 19.0" x 10.92" x 1.72" (484 x 277 x 44mm)
Weight: 6.6 lbs (3 kg)

Denon Pro DN300R MK2 (Denon DN 300R MKII)